USN-5821-3 fixed a vulnerability in pip. The update introduced a minor regression in Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Sebastian Chnelik discovered that wheel incorrectly handled certain file names when validated against a regex expression. An attacker could possibly use this issue to cause a denial of service.
{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_version": "1.5.4-1ubuntu4+esm4",
"binary_name": "python-pip"
},
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"binary_version": "1.5.4-1ubuntu4+esm4",
"binary_name": "python-pip-whl"
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{
"binary_version": "1.5.4-1ubuntu4+esm4",
"binary_name": "python3-pip"
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{
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_version": "8.1.1-2ubuntu0.6+esm5",
"binary_name": "python-pip"
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{
"binary_version": "8.1.1-2ubuntu0.6+esm5",
"binary_name": "python-pip-whl"
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{
"binary_version": "8.1.1-2ubuntu0.6+esm5",
"binary_name": "python3-pip"
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}
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "9.0.1-2.3~ubuntu1.18.04.8",
"binary_name": "python-pip"
},
{
"binary_version": "9.0.1-2.3~ubuntu1.18.04.8",
"binary_name": "python-pip-whl"
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{
"binary_version": "9.0.1-2.3~ubuntu1.18.04.8",
"binary_name": "python3-pip"
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}